PolitiFinder

1966 New Hampshire U.S. Senate Election

New Hampshire · 3 candidates · See every 1966 U.S. Senate race

Who won the 1966 New Hampshire U.S. Senate Election?

Thomas J. McIntyre won the 1966 New Hampshire U.S. Senate Election. Thomas J. McIntyre received 123,888 popular votes (54.04%). The main challenger was Harrison R. Thyng (45.91%).

See the full head-to-head between McIntyre and Thyng

McIntyre +8.1 pts · won by 18,647 votes
Thomas J. McIntyreDemocraticWINNER54.04%
123,888 votes
Harrison R. ThyngRepublican45.91%
105,241 votes
Helen BlissIndependent0.05%
108 votes
Popular-vote totals for this U.S. Senate election come from the Constituency-Level Elections Archive (CLEA) and the official public record.

Data last verified July 28, 2026.